1 /* $NetBSD: btconfig.c,v 1.6 2007/09/07 18:40:01 plunky Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Written by Iain Hibbert for Itronix Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/socket.h> 37 #include <sys/ioctl.h> 38 39 #include <net/if.h> 40 41 #include <stdio.h> 42 #include <string.h> 43 #include <ctype.h> 44 #include <stdlib.h> 45 #include <stdarg.h> 46 #include <unistd.h> 47 #include <errno.h> 48 #include <err.h> 49 #include <bluetooth.h> 50 #include <netbt/hci.h> 51 #include <sys/endian.h> 52 53 /* inquiry results storage */ 54 struct result { 55 bdaddr_t bdaddr; 56 uint8_t page_scan_rep_mode; 57 uint8_t uclass[HCI_CLASS_SIZE]; 58 uint16_t clock_offset; 59 int8_t rssi; 60 }; 61 62 int main(int, char *[]); 63 void badarg(const char *); 64 void badparam(const char *); 65 void usage(void); 66 int set_unit(unsigned long); 67 void config_unit(void); 68 void print_info(int); 69 void print_stats(void); 70 void print_class(const char *); 71 void print_voice(int); 72 void tag(const char *); 73 void print_features(const char *, uint8_t *); 74 void do_inquiry(void); 75 void print_result(int, struct result *, int); 76 void printb(uint16_t v, const char *bits); 77 78 void hci_req(uint16_t, uint8_t , void *, size_t, void *, size_t); 79 #define save_value(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0) 80 #define load_value(opcode, rbuf, rlen) hci_req(opcode, 0, NULL, 0, rbuf, rlen) 81 #define hci_cmd(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0) 82 83 #define MAX_STR_SIZE 0xff 84 85 /* print width */ 86 int width = 0; 87 #define MAX_WIDTH 70 88 89 /* global variables */ 90 int hci; 91 struct btreq btr; 92 93 /* command line flags */ 94 int verbose = 0; /* more info */ 95 int lflag = 0; /* list devices */ 96 int sflag = 0; /* get/zero stats */ 97 98 /* device up/down (flag) */ 99 int opt_enable = 0; 100 int opt_reset = 0; 101 #define FLAGBITS "\001UP" \ 102 "\002RUNNING" \ 103 "\003XMIT_CMD" \ 104 "\004XMIT_ACL" \ 105 "\005XMIT_SCO" \ 106 "\006INIT_BDADDR" \ 107 "\007INIT_BUFFER_SIZE" \ 108 "\010INIT_FEATURES" 109 110 /* authorisation (flag) */ 111 int opt_auth = 0; 112 113 /* encryption (flag) */ 114 int opt_encrypt = 0; 115 116 /* scan enable options (flags) */ 117 int opt_pscan = 0; 118 int opt_iscan = 0; 119 120 /* link policy options (flags) */ 121 int opt_switch = 0; 122 int opt_hold = 0; 123 int opt_sniff = 0; 124 int opt_park = 0; 125 126 /* class of device (hex value) */ 127 int opt_class = 0; 128 uint32_t class; 129 130 /* packet type mask (hex value) */ 131 int opt_ptype = 0; 132 uint32_t ptype; 133 134 /* unit name (string) */ 135 int opt_name = 0; 136 char name[MAX_STR_SIZE]; 137 138 /* pin type */ 139 int opt_pin = 0; 140 141 /* Inquiry */ 142 int opt_rssi = 0; /* inquiry_with_rssi (flag) */ 143 int opt_inquiry = 0; 144 #define INQUIRY_LENGTH 10 /* about 12 seconds */ 145 #define INQUIRY_MAX_RESPONSES 10 146 147 /* Voice Settings */ 148 int opt_voice = 0; 149 uint32_t voice; 150 151 /* Page Timeout */ 152 int opt_pto = 0; 153 uint32_t pto; 154 155 /* set SCO mtu */ 156 int opt_scomtu; 157 uint32_t scomtu; 158 159 struct parameter { 160 const char *name; 161 enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM } type; 162 int *opt; 163 void *val; 164 } parameters[] = { 165 { "up", P_SET, &opt_enable, NULL }, 166 { "enable", P_SET, &opt_enable, NULL }, 167 { "down", P_CLR, &opt_enable, NULL }, 168 { "disable", P_CLR, &opt_enable, NULL }, 169 { "name", P_STR, &opt_name, name }, 170 { "pscan", P_SET, &opt_pscan, NULL }, 171 { "-pscan", P_CLR, &opt_pscan, NULL }, 172 { "iscan", P_SET, &opt_iscan, NULL }, 173 { "-iscan", P_CLR, &opt_iscan, NULL }, 174 { "switch", P_SET, &opt_switch, NULL }, 175 { "-switch", P_CLR, &opt_switch, NULL }, 176 { "hold", P_SET, &opt_hold, NULL }, 177 { "-hold", P_CLR, &opt_hold, NULL }, 178 { "sniff", P_SET, &opt_sniff, NULL }, 179 { "-sniff", P_CLR, &opt_sniff, NULL }, 180 { "park", P_SET, &opt_park, NULL }, 181 { "-park", P_CLR, &opt_park, NULL }, 182 { "auth", P_SET, &opt_auth, NULL }, 183 { "-auth", P_CLR, &opt_auth, NULL }, 184 { "encrypt", P_SET, &opt_encrypt, NULL }, 185 { "-encrypt", P_CLR, &opt_encrypt, NULL }, 186 { "ptype", P_HEX, &opt_ptype, &ptype }, 187 { "class", P_HEX, &opt_class, &class }, 188 { "fixed", P_SET, &opt_pin, NULL }, 189 { "variable", P_CLR, &opt_pin, NULL }, 190 { "inq", P_SET, &opt_inquiry, NULL }, 191 { "inquiry", P_SET, &opt_inquiry, NULL }, 192 { "rssi", P_SET, &opt_rssi, NULL }, 193 { "-rssi", P_CLR, &opt_rssi, NULL }, 194 { "reset", P_SET, &opt_reset, NULL }, 195 { "voice", P_HEX, &opt_voice, &voice }, 196 { "pto", P_NUM, &opt_pto, &pto }, 197 { "scomtu", P_NUM, &opt_scomtu, &scomtu }, 198 { NULL, 0, NULL, NULL } 199 }; 200 201 int 202 main(int ac, char *av[]) 203 { 204 int ch; 205 struct parameter *p; 206 207 while ((ch = getopt(ac, av, "hlsvz")) != -1) { 208 switch(ch) { 209 case 'l': 210 lflag = 1; 211 break; 212 213 case 's': 214 sflag = 1; 215 break; 216 217 case 'v': 218 verbose++; 219 break; 220 221 case 'z': 222 sflag = 2; 223 break; 224 225 case 'h': 226 default: 227 usage(); 228 } 229 } 230 av += optind; 231 ac -= optind; 232 233 if (lflag && sflag) 234 usage(); 235 236 237 hci = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); 238 if (hci == -1) 239 err(EXIT_FAILURE, "socket"); 240 241 if (ac == 0) { 242 verbose++; 243 244 memset(&btr, 0, sizeof(btr)); 245 while (set_unit(SIOCNBTINFO) != -1) { 246 print_info(99); 247 print_stats(); 248 } 249 250 tag(NULL); 251 } else { 252 strlcpy(btr.btr_name, *av, HCI_DEVNAME_SIZE); 253 av++, ac--; 254 255 if (set_unit(SIOCGBTINFO) < 0) 256 err(EXIT_FAILURE, "%s", btr.btr_name); 257 258 if (ac == 0) 259 verbose += 2; 260 261 while (ac > 0) { 262 for (p = parameters ; ; p++) { 263 if (p->name == NULL) 264 badparam(*av); 265 266 if (strcmp(*av, p->name) == 0) 267 break; 268 } 269 270 switch(p->type) { 271 case P_SET: 272 *(p->opt) = 1; 273 break; 274 275 case P_CLR: 276 *(p->opt) = -1; 277 break; 278 279 case P_STR: 280 if (--ac < 1) badarg(p->name); 281 strlcpy((char *)(p->val), *++av, MAX_STR_SIZE); 282 *(p->opt) = 1; 283 break; 284 285 case P_HEX: 286 if (--ac < 1) badarg(p->name); 287 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 16); 288 *(p->opt) = 1; 289 break; 290 291 case P_NUM: 292 if (--ac < 1) badarg(p->name); 293 *(uint32_t *)(p->val) = strtoul(*++av, NULL, 10); 294 *(p->opt) = 1; 295 break; 296 } 297 298 av++, ac--; 299 } 300 301 config_unit(); 302 print_info(verbose); 303 print_stats(); 304 do_inquiry(); 305 } 306 307 close(hci); 308 return EXIT_SUCCESS; 309 } 310 311 void 312 badparam(const char *param) 313 { 314 fprintf(stderr, "unknown parameter '%s'\n", param); 315 exit(EXIT_FAILURE); 316 } 317 318 void 319 badarg(const char *param) 320 { 321 fprintf(stderr, "parameter '%s' needs argument\n", param); 322 exit(EXIT_FAILURE); 323 } 324 325 void 326 usage(void) 327 { 328 fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname()); 329 fprintf(stderr, " %s -l\n", getprogname()); 330 exit(EXIT_FAILURE); 331 } 332 333 /* 334 * pretty printing feature 335 */ 336 void 337 tag(const char *f) 338 { 339 if (f == NULL) { 340 if (width > 0) 341 printf("\n"); 342 343 width = 0; 344 } else { 345 width += printf("%*s%s", 346 (width == 0 ? (lflag ? 0 : 8) : 1), 347 "", f); 348 349 if (width > MAX_WIDTH) { 350 printf("\n"); 351 width = 0; 352 } 353 } 354 } 355 356 /* 357 * basic HCI cmd request function with argument return. 358 * 359 * Normally, this will return on COMMAND_STATUS or COMMAND_COMPLETE for the given 360 * opcode, but if event is given then it will ignore COMMAND_STATUS (unless error) 361 * and wait for the specified event. 362 * 363 * if rbuf/rlen is given, results will be copied into the result buffer for 364 * COMMAND_COMPLETE/event responses. 365 */ 366 void 367 hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen, void *rbuf, size_t rlen) 368 { 369 uint8_t msg[sizeof(hci_cmd_hdr_t) + HCI_CMD_PKT_SIZE]; 370 hci_event_hdr_t *ep; 371 hci_cmd_hdr_t *cp; 372 373 cp = (hci_cmd_hdr_t *)msg; 374 cp->type = HCI_CMD_PKT; 375 cp->opcode = opcode = htole16(opcode); 376 cp->length = clen = MIN(clen, sizeof(msg) - sizeof(hci_cmd_hdr_t)); 377 378 if (clen) memcpy((cp + 1), cbuf, clen); 379 380 if (send(hci, msg, sizeof(hci_cmd_hdr_t) + clen, 0) < 0) 381 err(EXIT_FAILURE, "HCI Send"); 382 383 ep = (hci_event_hdr_t *)msg; 384 for(;;) { 385 if (recv(hci, msg, sizeof(msg), 0) < 0) { 386 if (errno == EAGAIN || errno == EINTR) 387 continue; 388 389 err(EXIT_FAILURE, "HCI Recv"); 390 } 391 392 if (ep->event == HCI_EVENT_COMMAND_STATUS) { 393 hci_command_status_ep *cs; 394 395 cs = (hci_command_status_ep *)(ep + 1); 396 if (cs->opcode != opcode) 397 continue; 398 399 if (cs->status) 400 errx(EXIT_FAILURE, 401 "HCI cmd (%4.4x) failed (status %d)", 402 opcode, cs->status); 403 404 if (event == 0) 405 break; 406 407 continue; 408 } 409 410 if (ep->event == HCI_EVENT_COMMAND_COMPL) { 411 hci_command_compl_ep *cc; 412 uint8_t *ptr; 413 414 cc = (hci_command_compl_ep *)(ep + 1); 415 if (cc->opcode != opcode) 416 continue; 417 418 if (rbuf == NULL) 419 break; 420 421 ptr = (uint8_t *)(cc + 1); 422 if (*ptr) 423 errx(EXIT_FAILURE, 424 "HCI cmd (%4.4x) failed (status %d)", 425 opcode, *ptr); 426 427 memcpy(rbuf, ++ptr, rlen); 428 break; 429 } 430 431 if (ep->event == event) { 432 if (rbuf == NULL) 433 break; 434 435 memcpy(rbuf, (ep + 1), rlen); 436 break; 437 } 438 } 439 } 440 441 int 442 set_unit(unsigned long cmd) 443 { 444 if (ioctl(hci, cmd, &btr) == -1) 445 return -1; 446 447 if (btr.btr_flags & BTF_UP) { 448 struct sockaddr_bt sa; 449 450 sa.bt_len = sizeof(sa); 451 sa.bt_family = AF_BLUETOOTH; 452 bdaddr_copy(&sa.bt_bdaddr, &btr.btr_bdaddr); 453 454 if (bind(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 455 err(EXIT_FAILURE, "bind"); 456 457 if (connect(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0) 458 err(EXIT_FAILURE, "connect"); 459 } 460 461 return 0; 462 } 463 464 /* 465 * apply configuration parameters to unit 466 */ 467 void 468 config_unit(void) 469 { 470 if (opt_enable) { 471 if (opt_enable > 0) 472 btr.btr_flags |= BTF_UP; 473 else 474 btr.btr_flags &= ~BTF_UP; 475 476 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 477 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 478 479 if (set_unit(SIOCGBTINFO) < 0) 480 err(EXIT_FAILURE, "%s", btr.btr_name); 481 } 482 483 if (opt_reset) { 484 hci_cmd(HCI_CMD_RESET, NULL, 0); 485 486 btr.btr_flags |= BTF_INIT; 487 if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0) 488 err(EXIT_FAILURE, "SIOCSBTFLAGS"); 489 490 /* 491 * although the reset command will automatically 492 * carry out these commands, we do them manually 493 * just so we can wait for completion. 494 */ 495 hci_cmd(HCI_CMD_READ_BDADDR, NULL, 0); 496 hci_cmd(HCI_CMD_READ_BUFFER_SIZE, NULL, 0); 497 hci_cmd(HCI_CMD_READ_LOCAL_FEATURES, NULL, 0); 498 499 if (set_unit(SIOCGBTINFO) < 0) 500 err(EXIT_FAILURE, "%s", btr.btr_name); 501 } 502 503 if (opt_switch || opt_hold || opt_sniff || opt_park) { 504 uint16_t val = btr.btr_link_policy; 505 506 if (opt_switch > 0) val |= HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 507 if (opt_switch < 0) val &= ~HCI_LINK_POLICY_ENABLE_ROLE_SWITCH; 508 if (opt_hold > 0) val |= HCI_LINK_POLICY_ENABLE_HOLD_MODE; 509 if (opt_hold < 0) val &= ~HCI_LINK_POLICY_ENABLE_HOLD_MODE; 510 if (opt_sniff > 0) val |= HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 511 if (opt_sniff < 0) val &= ~HCI_LINK_POLICY_ENABLE_SNIFF_MODE; 512 if (opt_park > 0) val |= HCI_LINK_POLICY_ENABLE_PARK_MODE; 513 if (opt_park < 0) val &= ~HCI_LINK_POLICY_ENABLE_PARK_MODE; 514 515 btr.btr_link_policy = val; 516 if (ioctl(hci, SIOCSBTPOLICY, &btr) < 0) 517 err(EXIT_FAILURE, "SIOCSBTPOLICY"); 518 } 519 520 if (opt_ptype) { 521 btr.btr_packet_type = ptype; 522 if (ioctl(hci, SIOCSBTPTYPE, &btr) < 0) 523 err(EXIT_FAILURE, "SIOCSBTPTYPE"); 524 } 525 526 if (opt_pscan || opt_iscan) { 527 uint8_t val; 528 529 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 530 if (opt_pscan > 0) val |= HCI_PAGE_SCAN_ENABLE; 531 if (opt_pscan < 0) val &= ~HCI_PAGE_SCAN_ENABLE; 532 if (opt_iscan > 0) val |= HCI_INQUIRY_SCAN_ENABLE; 533 if (opt_iscan < 0) val &= ~HCI_INQUIRY_SCAN_ENABLE; 534 save_value(HCI_CMD_WRITE_SCAN_ENABLE, &val, sizeof(val)); 535 } 536 537 if (opt_auth) { 538 uint8_t val = (opt_auth > 0 ? 1 : 0); 539 540 save_value(HCI_CMD_WRITE_AUTH_ENABLE, &val, sizeof(val)); 541 } 542 543 if (opt_encrypt) { 544 uint8_t val = (opt_encrypt > 0 ? 1 : 0); 545 546 save_value(HCI_CMD_WRITE_ENCRYPTION_MODE, &val, sizeof(val)); 547 } 548 549 if (opt_name) 550 save_value(HCI_CMD_WRITE_LOCAL_NAME, name, HCI_UNIT_NAME_SIZE); 551 552 if (opt_class) { 553 uint8_t val[HCI_CLASS_SIZE]; 554 555 val[0] = (class >> 0) & 0xff; 556 val[1] = (class >> 8) & 0xff; 557 val[2] = (class >> 16) & 0xff; 558 559 save_value(HCI_CMD_WRITE_UNIT_CLASS, val, HCI_CLASS_SIZE); 560 } 561 562 if (opt_pin) { 563 uint8_t val; 564 565 if (opt_pin > 0) val = 1; 566 else val = 0; 567 568 save_value(HCI_CMD_WRITE_PIN_TYPE, &val, sizeof(val)); 569 } 570 571 if (opt_voice) { 572 uint16_t val; 573 574 val = htole16(voice & 0x03ff); 575 save_value(HCI_CMD_WRITE_VOICE_SETTING, &val, sizeof(val)); 576 } 577 578 if (opt_pto) { 579 uint16_t val; 580 581 val = htole16(pto * 8 / 5); 582 save_value(HCI_CMD_WRITE_PAGE_TIMEOUT, &val, sizeof(val)); 583 } 584 585 if (opt_scomtu) { 586 if (scomtu > 0xff) { 587 warnx("Invalid SCO mtu %d", scomtu); 588 } else { 589 btr.btr_sco_mtu = scomtu; 590 591 if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0) 592 warn("SIOCSBTSCOMTU"); 593 } 594 } 595 596 if (opt_rssi) { 597 uint8_t val = (opt_rssi > 0 ? 1 : 0); 598 599 save_value(HCI_CMD_WRITE_INQUIRY_MODE, &val, sizeof(val)); 600 } 601 } 602 603 /* 604 * Print info for Bluetooth Device with varying verbosity levels 605 */ 606 void 607 print_info(int level) 608 { 609 uint8_t val, buf[MAX_STR_SIZE]; 610 uint16_t val16; 611 612 if (lflag) { 613 tag(btr.btr_name); 614 return; 615 } 616 617 if (level-- < 1) 618 return; 619 620 printf("%s: bdaddr %s flags %#x", btr.btr_name, 621 bt_ntoa(&btr.btr_bdaddr, NULL), btr.btr_flags); 622 printb(btr.btr_flags, FLAGBITS); 623 printf("\n"); 624 625 if (level-- < 1) 626 return; 627 628 printf("\tnum_cmd = %d\n" 629 "\tnum_acl = %d, acl_mtu = %d\n" 630 "\tnum_sco = %d, sco_mtu = %d\n", 631 btr.btr_num_cmd, 632 btr.btr_num_acl, btr.btr_acl_mtu, 633 btr.btr_num_sco, btr.btr_sco_mtu); 634 635 if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0) 636 return; 637 638 load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE); 639 class = (buf[2] << 16) | (buf[1] << 8) | (buf[0]); 640 print_class("\t"); 641 642 load_value(HCI_CMD_READ_LOCAL_NAME, buf, HCI_UNIT_NAME_SIZE); 643 printf("\tname: \"%s\"\n", buf); 644 645 load_value(HCI_CMD_READ_VOICE_SETTING, buf, sizeof(uint16_t)); 646 voice = (buf[1] << 8) | buf[0]; 647 print_voice(level); 648 649 load_value(HCI_CMD_READ_PIN_TYPE, &val, sizeof(val)); 650 printf("\tpin: %s\n", val ? "fixed" : "variable"); 651 652 width = printf("\toptions:"); 653 654 load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val)); 655 if (val & HCI_INQUIRY_SCAN_ENABLE) tag("iscan"); 656 else if (level > 0) tag("-iscan"); 657 658 if (val & HCI_PAGE_SCAN_ENABLE) tag("pscan"); 659 else if (level > 0) tag("-pscan"); 660 661 load_value(HCI_CMD_READ_AUTH_ENABLE, &val, sizeof(val)); 662 if (val) tag("auth"); 663 else if (level > 0) tag("-auth"); 664 665 load_value(HCI_CMD_READ_ENCRYPTION_MODE, &val, sizeof(val)); 666 if (val) tag("encrypt"); 667 else if (level > 0) tag("-encrypt"); 668 669 val = btr.btr_link_policy; 670 if (val & HCI_LINK_POLICY_ENABLE_ROLE_SWITCH) tag("switch"); 671 else if (level > 0) tag("-switch"); 672 if (val & HCI_LINK_POLICY_ENABLE_HOLD_MODE) tag("hold"); 673 else if (level > 0) tag("-hold"); 674 if (val & HCI_LINK_POLICY_ENABLE_SNIFF_MODE) tag("sniff"); 675 else if (level > 0) tag("-sniff"); 676 if (val & HCI_LINK_POLICY_ENABLE_PARK_MODE) tag("park"); 677 else if (level > 0) tag("-park"); 678 679 load_value(HCI_CMD_READ_INQUIRY_MODE, &val, sizeof(val)); 680 if (val) tag("rssi"); 681 else if (level > 0) tag("-rssi"); 682 683 tag(NULL); 684 685 if (level-- < 1) 686 return; 687 688 ptype = btr.btr_packet_type; 689 width = printf("\tptype: [0x%04x]", ptype); 690 if (ptype & HCI_PKT_DM1) tag("DM1"); 691 if (ptype & HCI_PKT_DH1) tag("DH1"); 692 if (ptype & HCI_PKT_DM3) tag("DM3"); 693 if (ptype & HCI_PKT_DH3) tag("DH3"); 694 if (ptype & HCI_PKT_DM5) tag("DM5"); 695 if (ptype & HCI_PKT_DH5) tag("DH5"); 696 if ((ptype & HCI_PKT_2MBPS_DH1) == 0) tag("2-DH1"); 697 if ((ptype & HCI_PKT_3MBPS_DH1) == 0) tag("3-DH1"); 698 if ((ptype & HCI_PKT_2MBPS_DH3) == 0) tag("2-DH3"); 699 if ((ptype & HCI_PKT_3MBPS_DH3) == 0) tag("3-DH3"); 700 if ((ptype & HCI_PKT_2MBPS_DH5) == 0) tag("2-DH5"); 701 if ((ptype & HCI_PKT_3MBPS_DH5) == 0) tag("3-DH5"); 702 tag(NULL); 703 704 load_value(HCI_CMD_READ_PAGE_TIMEOUT, &val16, sizeof(val16)); 705 printf("\tpage timeout: %d ms\n", val16 * 5 / 8); 706 707 if (level-- < 1) 708 return; 709 710 load_value(HCI_CMD_READ_LOCAL_FEATURES, buf, HCI_FEATURES_SIZE); 711 print_features("\tfeatures:", buf); 712 } 713 714 void 715 print_stats(void) 716 { 717 if (sflag == 0) 718 return; 719 720 if (sflag == 1) { 721 if (ioctl(hci, SIOCGBTSTATS, &btr) < 0) 722 err(EXIT_FAILURE, "SIOCGBTSTATS"); 723 } else { 724 if (ioctl(hci, SIOCZBTSTATS, &btr) < 0) 725 err(EXIT_FAILURE, "SIOCZBTSTATS"); 726 } 727 728 printf( "\tTotal bytes sent %d, received %d\n" 729 "\tCommands sent %d, Events received %d\n" 730 "\tACL data packets sent %d, received %d\n" 731 "\tSCO data packets sent %d, received %d\n" 732 "\tInput errors %d, Output errors %d\n", 733 btr.btr_stats.byte_tx, btr.btr_stats.byte_rx, 734 btr.btr_stats.cmd_tx, btr.btr_stats.evt_rx, 735 btr.btr_stats.acl_tx, btr.btr_stats.acl_rx, 736 btr.btr_stats.sco_tx, btr.btr_stats.sco_rx, 737 btr.btr_stats.err_rx, btr.btr_stats.err_tx); 738 } 739 740 void 741 print_features(const char *str, uint8_t *f) 742 { 743 width = printf("%s", str); 744 745 /* ------------------- byte 0 --------------------*/ 746 if (*f & HCI_LMP_3SLOT) tag("<3 slot>"); 747 if (*f & HCI_LMP_5SLOT) tag("<5 slot>"); 748 if (*f & HCI_LMP_ENCRYPTION) tag("<encryption>"); 749 if (*f & HCI_LMP_SLOT_OFFSET) tag("<slot offset>"); 750 if (*f & HCI_LMP_TIMIACCURACY) tag("<timing accuracy>"); 751 if (*f & HCI_LMP_ROLE_SWITCH) tag("<role switch>"); 752 if (*f & HCI_LMP_HOLD_MODE) tag("<hold mode>"); 753 if (*f & HCI_LMP_SNIFF_MODE) tag("<sniff mode>"); 754 f++; 755 756 /* ------------------- byte 1 --------------------*/ 757 if (*f & HCI_LMP_PARK_MODE) tag("<park mode>"); 758 if (*f & HCI_LMP_RSSI) tag("<RSSI>"); 759 if (*f & HCI_LMP_CHANNEL_QUALITY) tag("<channel quality>"); 760 if (*f & HCI_LMP_SCO_LINK) tag("<SCO link>"); 761 if (*f & HCI_LMP_HV2_PKT) tag("<HV2>"); 762 if (*f & HCI_LMP_HV3_PKT) tag("<HV3>"); 763 if (*f & HCI_LMP_ULAW_LOG) tag("<u-Law log>"); 764 if (*f & HCI_LMP_ALAW_LOG) tag("<A-Law log>"); 765 f++; 766 767 /* ------------------- byte 1 --------------------*/ 768 if (*f & HCI_LMP_CVSD) tag("<CVSD data>"); 769 if (*f & HCI_LMP_PAGISCHEME) tag("<paging parameter>"); 770 if (*f & HCI_LMP_POWER_CONTROL) tag("<power control>"); 771 if (*f & HCI_LMP_TRANSPARENT_SCO) tag("<transparent SCO>"); 772 if (*f & HCI_LMP_FLOW_CONTROL_LAG0) tag("<flow control lag 0>"); 773 if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag 1>"); 774 if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag 2>"); 775 if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>"); 776 f++; 777 778 /* ------------------- byte 3 --------------------*/ 779 if (*f & HCI_LMP_EDR_ACL_2MBPS) tag("<EDR ACL 2Mbps>"); 780 if (*f & HCI_LMP_EDR_ACL_3MBPS) tag("<EDR ACL 3Mbps>"); 781 if (*f & HCI_LMP_ENHANCED_ISCAN) tag("<enhanced inquiry scan>"); 782 if (*f & HCI_LMP_INTERLACED_ISCAN) tag("<interlaced inquiry scan>"); 783 if (*f & HCI_LMP_INTERLACED_PSCAN) tag("<interlaced page scan>"); 784 if (*f & HCI_LMP_RSSI_INQUIRY) tag("<RSSI with inquiry result>"); 785 if (*f & HCI_LMP_EV3_PKT) tag("<EV3 packets>"); 786 f++; 787 788 /* ------------------- byte 4 --------------------*/ 789 if (*f & HCI_LMP_EV4_PKT) tag("<EV4 packets>"); 790 if (*f & HCI_LMP_EV5_PKT) tag("<EV5 packets>"); 791 if (*f & HCI_LMP_AFH_CAPABLE_SLAVE) tag("<AFH capable slave>"); 792 if (*f & HCI_LMP_AFH_CLASS_SLAVE) tag("<AFH class slave>"); 793 if (*f & HCI_LMP_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>"); 794 f++; 795 796 /* ------------------- byte 5 --------------------*/ 797 if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>"); 798 if (*f & HCI_LMP_AFH_CAPABLE_MASTER)tag("<AFH capable master>"); 799 if (*f & HCI_LMP_AFH_CLASS_MASTER) tag("<AFH class master>"); 800 if (*f & HCI_LMP_EDR_eSCO_2MBPS) tag("<EDR eSCO 2Mbps>"); 801 if (*f & HCI_LMP_EDR_eSCO_3MBPS) tag("<EDR eSCO 3Mbps>"); 802 if (*f & HCI_LMP_3SLOT_EDR_eSCO) tag("<3 slot EDR eSCO>"); 803 f++; 804 805 /* ------------------- byte 6 --------------------*/ 806 f++; 807 808 /* ------------------- byte 7 --------------------*/ 809 if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>"); 810 811 tag(NULL); 812 } 813 814 void 815 print_class(const char *str) 816 { 817 int major, minor; 818 819 major = (class & 0x1f00) >> 8; 820 minor = (class & 0x00fc) >> 2; 821 822 width = printf("%sclass: [0x%6.6x]", str, class); 823 824 switch (major) { 825 case 1: /* Computer */ 826 switch (minor) { 827 case 1: tag("Desktop"); break; 828 case 2: tag("Server"); break; 829 case 3: tag("Laptop"); break; 830 case 4: tag("Handheld"); break; 831 case 5: tag("Palm Sized"); break; 832 case 6: tag("Wearable"); break; 833 } 834 tag("Computer"); 835 break; 836 837 case 2: /* Phone */ 838 switch (minor) { 839 case 1: tag("Cellular Phone"); break; 840 case 2: tag("Cordless Phone"); break; 841 case 3: tag("Smart Phone"); break; 842 case 4: tag("Wired Modem/Phone Gateway"); break; 843 case 5: tag("Common ISDN"); break; 844 default:tag("Phone"); break; 845 } 846 break; 847 848 case 3: /* LAN */ 849 tag("LAN"); 850 switch ((minor & 0x38) >> 3) { 851 case 0: tag("[Fully available]"); break; 852 case 1: tag("[1-17% utilised]"); break; 853 case 2: tag("[17-33% utilised]"); break; 854 case 3: tag("[33-50% utilised]"); break; 855 case 4: tag("[50-67% utilised]"); break; 856 case 5: tag("[67-83% utilised]"); break; 857 case 6: tag("[83-99% utilised]"); break; 858 case 7: tag("[No service available]"); break; 859 } 860 break; 861 862 case 4: /* Audio/Visual */ 863 switch (minor) { 864 case 1: tag("Wearable Headset"); break; 865 case 2: tag("Hands-free Audio"); break; 866 case 4: tag("Microphone"); break; 867 case 5: tag("Loudspeaker"); break; 868 case 6: tag("Headphones"); break; 869 case 7: tag("Portable Audio"); break; 870 case 8: tag("Car Audio"); break; 871 case 9: tag("Set-top Box"); break; 872 case 10: tag("HiFi Audio"); break; 873 case 11: tag("VCR"); break; 874 case 12: tag("Video Camera"); break; 875 case 13: tag("Camcorder"); break; 876 case 14: tag("Video Monitor"); break; 877 case 15: tag("Video Display and Loudspeaker"); break; 878 case 16: tag("Video Conferencing"); break; 879 case 18: tag("A/V [Gaming/Toy]"); break; 880 default: tag("Audio/Visual"); break; 881 } 882 break; 883 884 case 5: /* Peripheral */ 885 switch (minor & 0x0f) { 886 case 1: tag("Joystick"); break; 887 case 2: tag("Gamepad"); break; 888 case 3: tag("Remote Control"); break; 889 case 4: tag("Sensing Device"); break; 890 case 5: tag("Digitiser Tablet"); break; 891 case 6: tag("Card Reader"); break; 892 default: tag("Peripheral"); break; 893 } 894 895 if (minor & 0x10) tag("Keyboard"); 896 if (minor & 0x20) tag("Mouse"); 897 break; 898 899 case 6: /* Imaging */ 900 if (minor & 0x20) tag("Printer"); 901 if (minor & 0x10) tag("Scanner"); 902 if (minor & 0x08) tag("Camera"); 903 if (minor & 0x04) tag("Display"); 904 if ((minor & 0x3c) == 0) tag("Imaging"); 905 break; 906 907 case 7: /* Wearable */ 908 switch (minor) { 909 case 1: tag("Wrist Watch"); break; 910 case 2: tag("Pager"); break; 911 case 3: tag("Jacket"); break; 912 case 4: tag("Helmet"); break; 913 case 5: tag("Glasses"); break; 914 default: tag("Wearable"); break; 915 } 916 break; 917 918 case 8: /* Toy */ 919 switch (minor) { 920 case 1: tag("Robot"); break; 921 case 2: tag("Vehicle"); break; 922 case 3: tag("Doll / Action Figure"); break; 923 case 4: tag("Controller"); break; 924 case 5: tag("Game"); break; 925 default: tag("Toy"); break; 926 } 927 break; 928 929 default: 930 break; 931 } 932 933 if (class & 0x002000) tag("<Limited Discoverable>"); 934 if (class & 0x010000) tag("<Positioning>"); 935 if (class & 0x020000) tag("<Networking>"); 936 if (class & 0x040000) tag("<Rendering>"); 937 if (class & 0x080000) tag("<Capturing>"); 938 if (class & 0x100000) tag("<Object Transfer>"); 939 if (class & 0x200000) tag("<Audio>"); 940 if (class & 0x400000) tag("<Telephony>"); 941 if (class & 0x800000) tag("<Information>"); 942 tag(NULL); 943 } 944 945 void 946 print_voice(int level) 947 { 948 printf("\tvoice: [0x%4.4x]\n", voice); 949 950 if (level == 0) 951 return; 952 953 printf("\t\tInput Coding: "); 954 switch ((voice & 0x0300) >> 8) { 955 case 0x00: printf("Linear PCM [%d-bit, pos %d]", 956 (voice & 0x0020 ? 16 : 8), 957 (voice & 0x001c) >> 2); break; 958 case 0x01: printf("u-Law"); break; 959 case 0x02: printf("A-Law"); break; 960 case 0x03: printf("unknown"); break; 961 } 962 963 switch ((voice & 0x00c0) >> 6) { 964 case 0x00: printf(", 1's complement"); break; 965 case 0x01: printf(", 2's complement"); break; 966 case 0x02: printf(", sign magnitude"); break; 967 case 0x03: printf(", unsigned"); break; 968 } 969 970 printf("\n\t\tAir Coding: "); 971 switch (voice & 0x0003) { 972 case 0x00: printf("CVSD"); break; 973 case 0x01: printf("u-Law"); break; 974 case 0x02: printf("A-Law"); break; 975 case 0x03: printf("Transparent"); break; 976 } 977 978 printf("\n"); 979 } 980 981 void 982 print_result(int num, struct result *r, int rssi) 983 { 984 hci_remote_name_req_cp ncp; 985 hci_remote_name_req_compl_ep nep; 986 #if 0 987 hci_read_remote_features_cp fcp; 988 hci_read_remote_features_compl_ep fep; 989 struct hostent *hp; 990 #endif 991 992 printf("%3d: bdaddr %s", 993 num, 994 bt_ntoa(&r->bdaddr, NULL)); 995 996 #if 0 997 hp = bt_gethostbyaddr(&r->bdaddr, sizeof(bdaddr_t), AF_BLUETOOTH); 998 if (hp != NULL) 999 printf(" (%s)", hp->h_name); 1000 #endif 1001 printf("\n"); 1002 1003 memset(&ncp, 0, sizeof(ncp)); 1004 bdaddr_copy(&ncp.bdaddr, &r->bdaddr); 1005 ncp.page_scan_rep_mode = r->page_scan_rep_mode; 1006 ncp.clock_offset = r->clock_offset; 1007 1008 hci_req(HCI_CMD_REMOTE_NAME_REQ, 1009 HCI_EVENT_REMOTE_NAME_REQ_COMPL, 1010 &ncp, sizeof(ncp), 1011 &nep, sizeof(nep)); 1012 1013 printf(" : name \"%s\"\n", nep.name); 1014 1015 class = (r->uclass[2] << 16) | (r->uclass[1] << 8) | (r->uclass[0]); 1016 print_class(" : "); 1017 1018 #if 0 1019 hci_req(HCI_CMD_READ_REMOTE_FEATURES, 1020 HCI_EVENT_READ_REMOTE_FEATURES_COMPL, 1021 &fcp, sizeof(fcp), 1022 &fep, sizeof(fep)); 1023 1024 print_features(" : features", fep.features); 1025 #endif 1026 1027 printf(" : page scan rep mode 0x%02x\n", r->page_scan_rep_mode); 1028 printf(" : clock offset %d\n", le16toh(r->clock_offset)); 1029 1030 if (rssi) 1031 printf(" : rssi %d\n", r->rssi); 1032 1033 printf("\n"); 1034 } 1035 1036 void 1037 do_inquiry(void) 1038 { 1039 uint8_t buf[HCI_EVENT_PKT_SIZE]; 1040 struct result result[INQUIRY_MAX_RESPONSES]; 1041 hci_inquiry_cp inq; 1042 struct hci_filter f; 1043 hci_event_hdr_t *hh; 1044 int i, j, num, rssi; 1045 1046 if (opt_inquiry == 0) 1047 return; 1048 1049 printf("Device Discovery from device: %s ...", btr.btr_name); 1050 fflush(stdout); 1051 1052 memset(&f, 0, sizeof(f)); 1053 hci_filter_set(HCI_EVENT_COMMAND_STATUS, &f); 1054 hci_filter_set(HCI_EVENT_COMMAND_COMPL, &f); 1055 hci_filter_set(HCI_EVENT_INQUIRY_RESULT, &f); 1056 hci_filter_set(HCI_EVENT_RSSI_RESULT, &f); 1057 hci_filter_set(HCI_EVENT_INQUIRY_COMPL, &f); 1058 hci_filter_set(HCI_EVENT_REMOTE_NAME_REQ_COMPL, &f); 1059 hci_filter_set(HCI_EVENT_READ_REMOTE_FEATURES_COMPL, &f); 1060 if (setsockopt(hci, BTPROTO_HCI, SO_HCI_EVT_FILTER, &f, sizeof(f)) < 0) 1061 err(EXIT_FAILURE, "Can't set event filter"); 1062 1063 /* General Inquiry LAP is 0x9e8b33 */ 1064 inq.lap[0] = 0x33; 1065 inq.lap[1] = 0x8b; 1066 inq.lap[2] = 0x9e; 1067 inq.inquiry_length = INQUIRY_LENGTH; 1068 inq.num_responses = INQUIRY_MAX_RESPONSES; 1069 1070 hci_cmd(HCI_CMD_INQUIRY, &inq, sizeof(inq)); 1071 1072 num = 0; 1073 rssi = 0; 1074 hh = (hci_event_hdr_t *)buf; 1075 1076 for (;;) { 1077 if (recv(hci, buf, sizeof(buf), 0) <= 0) 1078 err(EXIT_FAILURE, "recv"); 1079 1080 if (hh->event == HCI_EVENT_INQUIRY_COMPL) 1081 break; 1082 1083 if (hh->event == HCI_EVENT_INQUIRY_RESULT) { 1084 hci_inquiry_result_ep *ep = (hci_inquiry_result_ep *)(hh + 1); 1085 hci_inquiry_response *ir = (hci_inquiry_response *)(ep + 1); 1086 1087 for (i = 0 ; i < ep->num_responses ; i++) { 1088 if (num == INQUIRY_MAX_RESPONSES) 1089 break; 1090 1091 /* some devices keep responding, ignore dupes */ 1092 for (j = 0 ; j < num ; j++) 1093 if (bdaddr_same(&result[j].bdaddr, &ir[i].bdaddr)) 1094 break; 1095 1096 if (j < num) 1097 continue; 1098 1099 bdaddr_copy(&result[num].bdaddr, &ir[i].bdaddr); 1100 memcpy(&result[num].uclass, &ir[i].uclass, HCI_CLASS_SIZE); 1101 result[num].page_scan_rep_mode = ir[i].page_scan_rep_mode; 1102 result[num].clock_offset = ir[i].clock_offset; 1103 result[num].rssi = 0; 1104 num++; 1105 printf("."); 1106 fflush(stdout); 1107 } 1108 continue; 1109 } 1110 #if 0 1111 if (hh->event == HCI_EVENT_RSSI_RESULT) { 1112 hci_rssi_result_ep *ep = (hci_rssi_result_ep *)(hh + 1); 1113 hci_rssi_response *rr = (hci_rssi_response *)(ep + 1); 1114 1115 for (i = 0 ; i < ep->num_responses ; i++) { 1116 if (num == INQUIRY_MAX_RESPONSES) 1117 break; 1118 1119 /* some devices keep responding, ignore dupes */ 1120 for (j = 0 ; j < num ; j++) 1121 if (bdaddr_same(&result[j].bdaddr, &rr[i].bdaddr)) 1122 break; 1123 1124 if (j < num) 1125 continue; 1126 1127 bdaddr_copy(&result[num].bdaddr, &rr[i].bdaddr); 1128 memcpy(&result[num].uclass, &rr[i].uclass, HCI_CLASS_SIZE); 1129 result[num].page_scan_rep_mode = rr[i].page_scan_rep_mode; 1130 result[num].clock_offset = rr[i].clock_offset; 1131 result[num].rssi = rr[i].rssi; 1132 rssi = 1; 1133 num++; 1134 printf("."); 1135 fflush(stdout); 1136 } 1137 continue; 1138 } 1139 #endif 1140 } 1141 1142 printf(" %d response%s\n", num, (num == 1 ? "" : "s")); 1143 1144 for (i = 0 ; i < num ; i++) 1145 print_result(i + 1, &result[i], rssi); 1146 } 1147 1148 /* 1149 * Print a value a la the %b format of the kernel's printf borrowed 1150 * from ifconfig(8). 1151 */ 1152 void 1153 printb(uint16_t v, const char *bits) 1154 { 1155 int i, any = 0; 1156 char c; 1157 1158 if (bits) { 1159 putchar('<'); 1160 while ((i = *bits++) != '\0') { 1161 if (v & (1 << (i-1))) { 1162 if (any) 1163 putchar(','); 1164 any = 1; 1165 for (; (c = *bits) > 32; bits++) 1166 putchar(c); 1167 } else 1168 for (; *bits > 32; bits++) 1169 ; 1170 } 1171 putchar('>'); 1172 } 1173 } 1174 1175